﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8" />
    <title>Ping: UdpEchoServer.cpp Source File</title>
    <link href="/Content/Help.css" rel="stylesheet" type="text/css" />
    <link href="/Content/css/tabs.css" rel="stylesheet" type="text/css" />
    <link href="/Content/css/doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
    <div id="header">
        <img id="logo" alt="StateForge" src="/Content/Images/StateForgeLogo.png" />
        <div id="title">
            <h1>
                Examples using state machines generated by StateBuilderCpp
            </h1>
            <h3>
                Ping: UdpEchoServer.cpp Source File
            </h3>
        </div>
        <div id="menucontainer">
            <ul id="menu">
                <li><a href="/">Home</a></li>
                <li><a href="/Home/Download">Downloads</a></li>
                <li><a href="/Help/state-machine-tools.aspx">Help</a></li>
                <li><a href="/Home/Faq">F.A.Q</a></li>
                <li><a href="/Home/About">Contact us</a></li>
            </ul>
        </div>
    </div>
<!-- Generated by Doxygen 1.7.4 -->
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="annotated.html"><span>Classes</span></a></li>
      <li class="current"><a href="files.html"><span>Files</span></a></li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="files.html"><span>File&#160;List</span></a></li>
      <li><a href="globals.html"><span>File&#160;Members</span></a></li>
    </ul>
  </div>
<div class="header">
  <div class="headertitle">
<div class="title">UdpEchoServer.cpp</div>  </div>
</div>
<div class="contents">
<a href="_udp_echo_server_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include &lt;QUdpSocket&gt;</span>
<a name="l00002"></a>00002 
<a name="l00003"></a>00003 <span class="preprocessor">#include &lt;QsLog.h&gt;</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include &lt;QsLogDest.h&gt;</span>
<a name="l00005"></a>00005 
<a name="l00006"></a>00006 <span class="preprocessor">#include &quot;<a class="code" href="_udp_echo_server_8h.html">UdpEchoServer.h</a>&quot;</span>
<a name="l00007"></a>00007 
<a name="l00008"></a><a class="code" href="class_udp_echo_server.html#ad47e0b606e7ea46d94ddec2ad77bc176">00008</a> <a class="code" href="class_udp_echo_server.html#ad47e0b606e7ea46d94ddec2ad77bc176">UdpEchoServer::UdpEchoServer</a>() :
<a name="l00009"></a>00009 m_pUdpSocket(new QUdpSocket(this)),
<a name="l00010"></a>00010 m_port(2011)
<a name="l00011"></a>00011 {
<a name="l00012"></a>00012     
<a name="l00013"></a>00013     connect(<a class="code" href="class_udp_echo_server.html#a301fa89ec73213f98364c120a777df53">m_pUdpSocket</a>, SIGNAL(readyRead()), <span class="keyword">this</span>, SLOT(<a class="code" href="class_udp_echo_server.html#adb97f51d36fd7251a4c500eb4b265a4f">processPendingDatagrams</a>()));
<a name="l00014"></a>00014 }
<a name="l00015"></a>00015 
<a name="l00016"></a><a class="code" href="class_udp_echo_server.html#a9b1c3f79fa6f9824029e2693cf4acb83">00016</a> <a class="code" href="class_udp_echo_server.html#a9b1c3f79fa6f9824029e2693cf4acb83">UdpEchoServer::~UdpEchoServer</a>()
<a name="l00017"></a>00017 {
<a name="l00018"></a>00018 }
<a name="l00019"></a>00019 
<a name="l00020"></a><a class="code" href="class_udp_echo_server.html#ae60339fd50dd10f2e54724173d78e2b4">00020</a> <span class="keywordtype">bool</span> <a class="code" href="class_udp_echo_server.html#ae60339fd50dd10f2e54724173d78e2b4">UdpEchoServer::start</a>()
<a name="l00021"></a>00021 {
<a name="l00022"></a>00022     QLOG_INFO();
<a name="l00023"></a>00023     <span class="keywordflow">if</span>(<a class="code" href="class_udp_echo_server.html#a301fa89ec73213f98364c120a777df53">m_pUdpSocket</a>-&gt;bind(<a class="code" href="class_udp_echo_server.html#ac5071dfb7205005603ce05b31c338f03">m_port</a>, QUdpSocket::ShareAddress) == <span class="keyword">false</span>){
<a name="l00024"></a>00024         QLOG_ERROR() &lt;&lt; <span class="stringliteral">&quot;Cannot listen on port &quot;</span> &lt;&lt; <a class="code" href="class_udp_echo_server.html#ac5071dfb7205005603ce05b31c338f03">m_port</a> &lt;&lt; <span class="stringliteral">&quot;, error &quot;</span> &lt;&lt; <a class="code" href="class_udp_echo_server.html#a301fa89ec73213f98364c120a777df53">m_pUdpSocket</a>-&gt;errorString();
<a name="l00025"></a>00025         <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00026"></a>00026     } <span class="keywordflow">else</span> {
<a name="l00027"></a>00027         <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00028"></a>00028     }
<a name="l00029"></a>00029 }
<a name="l00030"></a>00030 
<a name="l00031"></a><a class="code" href="class_udp_echo_server.html#adb97f51d36fd7251a4c500eb4b265a4f">00031</a> <span class="keywordtype">void</span> <a class="code" href="class_udp_echo_server.html#adb97f51d36fd7251a4c500eb4b265a4f">UdpEchoServer::processPendingDatagrams</a>(){
<a name="l00032"></a>00032     <span class="keywordflow">while</span> (<a class="code" href="class_udp_echo_server.html#a301fa89ec73213f98364c120a777df53">m_pUdpSocket</a>-&gt;hasPendingDatagrams()){
<a name="l00033"></a>00033         QByteArray datagram;
<a name="l00034"></a>00034         QHostAddress address;
<a name="l00035"></a>00035         quint16 port;
<a name="l00036"></a>00036         datagram.resize(<a class="code" href="class_udp_echo_server.html#a301fa89ec73213f98364c120a777df53">m_pUdpSocket</a>-&gt;pendingDatagramSize());
<a name="l00037"></a>00037         <a class="code" href="class_udp_echo_server.html#a301fa89ec73213f98364c120a777df53">m_pUdpSocket</a>-&gt;readDatagram(datagram.data(), datagram.size(), &amp;address, &amp;port);
<a name="l00038"></a>00038         quint64 written = <a class="code" href="class_udp_echo_server.html#a301fa89ec73213f98364c120a777df53">m_pUdpSocket</a>-&gt;writeDatagram(datagram.data(), datagram.size(), address, port);
<a name="l00039"></a>00039         QLOG_DEBUG() &lt;&lt; <span class="stringliteral">&quot;written &quot;</span> &lt;&lt; written &lt;&lt; <span class="stringliteral">&quot; bytes to &quot;</span> &lt;&lt; address.toString() &lt;&lt; <span class="stringliteral">&quot;:&quot;</span> &lt;&lt; port;
<a name="l00040"></a>00040     }
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 <span class="preprocessor">#include &quot;UdpEchoServer.moc&quot;</span>
</pre></div></div>
</div>
﻿<div id="footer">
    <hr />
    <p>
        Copyright &copy; 2011 StateForge.</p>
    <hr />
</div>
</body> </html> 
